--- loncom/xml/londefdef.pm 2004/12/27 14:06:32 1.248 +++ loncom/xml/londefdef.pm 2005/02/09 15:47:06 1.253 @@ -1,7 +1,7 @@ # The LearningOnline Network with CAPA # Tags Default Definition Module # -# $Id: londefdef.pm,v 1.248 2004/12/27 14:06:32 foxr Exp $ +# $Id: londefdef.pm,v 1.253 2005/02/09 15:47:06 www Exp $ # # # Copyright Michigan State University Board of Trustees @@ -36,10 +36,6 @@ # The C source of the Code may not be distributed by the Licensee # to any other parties under any circumstances. # -# -# last modified 06/26/00 by Alexander Sakharuk -# 11/6,11/30,02/01/01,5/4 Gerd Kortemeyer -# 01/18 Alex Sakharuk package Apache::londefdef; @@ -1463,7 +1459,9 @@ sub start_a { my ($target,$token,$tagstack,$parstack,$parser,$safeeval) = @_; my $currentstring = ''; if ($target eq 'web') { - $currentstring .= $token->[4]; + my $href=&Apache::lonxml::get_param('href',$parstack,$safeeval, + undef,1); + $currentstring=&Apache::lonenc::encrypt_ref($token,{'href'=>$href}); } elsif ($target eq 'tex') { my $a=&Apache::lonxml::get_param('href',$parstack,$safeeval,undef,1); my $b=&Apache::lonxml::get_param('name',$parstack,$safeeval,undef,1); @@ -2420,6 +2418,16 @@ sub end_th { } #-- tag (end tag forbidden) +# +# Render the tag. +# has the following attributes (in addition to the +# standard HTML ones: +# TeXwrap - Governs how the tex target will try to wrap text around +# horizontally aligned images. +# TeXwidth - The width of the image when rendered for print (mm). +# TeXheight - The height of the image when rendered for print (mm) +# (Note there seems to also be support for this as a % of page size) +# sub start_img { my ($target,$token,$tagstack,$parstack,$parser,$safeeval) = @_; my $src = &Apache::lonxml::get_param('src',$parstack,$safeeval, @@ -2431,9 +2439,12 @@ sub start_img { $Apache::lonxml::extlinks[$#Apache::lonxml::extlinks+1]=$src; my $currentstring = ''; my $scaling = .3; + + # Render unto browsers that which are the browser's... + if ($target eq 'web') { if ($ENV{'browser.imagesuppress'} ne 'on') { - $currentstring.= $token->[4]; + $currentstring.=&Apache::lonenc::encrypt_ref($token,{'src'=>$src}); } else { my $alttag= &Apache::lonxml::get_param ('alt',$parstack,$safeeval,undef,1); @@ -2443,6 +2454,9 @@ sub start_img { } $currentstring.='[IMAGE: '.$alttag.']'; } + + # and render unto TeX that which is LaTeX + } elsif ($target eq 'tex') { # # The alignment will require some superstructure to be put around @@ -2527,7 +2541,7 @@ sub start_img { if ($latex_rendering eq "parpic") { $currentstring = '\parpic[l]{'.$currentstring.'}'; } else { # parbox rendering - $currentstring = '\newline'."\n".'\parbox{'.$width_param.'mm}{'.$currentstring.'}'; + $currentstring = "\n".'\parbox{'.$width_param.'mm}{'.$currentstring.'}'; } } elsif ($align eq "right") { if ($latex_rendering eq "parpic") { @@ -2553,6 +2567,11 @@ sub start_img { # tag will care about replication } } + + # And here's where the semi-quote breaks down: allow the user + # to edit the beast as well by rendering the problem for edit: + + } elsif ($target eq 'edit') { $currentstring .=&Apache::edit::tag_start($target,$token); $currentstring .=&Apache::edit::text_arg('Image Url:','src',$token,70). @@ -2565,11 +2584,15 @@ sub start_img { $currentstring .=&Apache::edit::text_arg('TeXheight (mm):','TeXheight',$token,5); $currentstring .=&Apache::edit::select_arg('Alignment:','align', ['','bottom','middle','top','left','right'],$token,5); + $currentstring .=&Apache::edit::select_arg('TeXwrap:', 'TeXwrap', + ['', 'parbox', 'parpic'], $token, 2); $currentstring .=&Apache::edit::end_row().&Apache::edit::start_spanning_row(); - my $src=&Apache::lonxml::get_param('src',$parstack,$safeeval); - my $alt=&Apache::lonxml::get_param('alt',$parstack,$safeeval); - my $width=&Apache::lonxml::get_param('width',$parstack,$safeeval); - my $height=&Apache::lonxml::get_param('height',$parstack,$safeeval); + my $src= &Apache::lonxml::get_param('src',$parstack,$safeeval); + my $alt= &Apache::lonxml::get_param('alt',$parstack,$safeeval); + my $width= &Apache::lonxml::get_param('width',$parstack,$safeeval); + my $height= &Apache::lonxml::get_param('height',$parstack,$safeeval); + + $currentstring .= ''.$alt.'[2]{'src'},$token->[2]{'width'},$token->[2]{'height'}); my $ctag=&Apache::edit::get_new_args($token,$parstack, $safeeval,'src','alt','align', - 'TeXwidth','TeXheight', + 'TeXwidth','TeXheight', 'TeXwrap', 'width','height'); my ($nsrc,$nwidth,$nheight)= ($token->[2]{'src'},$token->[2]{'width'},$token->[2]{'height'}); @@ -2643,7 +2666,10 @@ sub start_applet { my $currentstring = ''; if ($target eq 'web') { if ($ENV{'browser.appletsuppress'} ne 'on') { - $currentstring = $token->[4]; + $currentstring = &Apache::lonenc::encrypt_ref($token, + {'code'=>$code, + 'archive'=>$archive} + ); } else { my $alttag= &Apache::lonxml::get_param('alt',$parstack, $safeeval,undef,1); @@ -2686,7 +2712,7 @@ sub start_embed { my $currentstring = ''; if ($target eq 'web') { if ($ENV{'browser.embedsuppress'} ne 'on') { - $currentstring = $token->[4]; + $currentstring=&Apache::lonenc::encrypt_ref($token,{'src'=>$src}); } else { my $alttag=&Apache::lonxml::get_param ('alt',$parstack,$safeeval,undef,1); @@ -2722,7 +2748,16 @@ sub start_param { &Apache::lonxml::get_param('src',$parstack,$safeeval,undef,1); my $currentstring = ''; if ($target eq 'web') { - $currentstring = $token->[4]; + my %toconvert; + my $src=&Apache::lonxml::get_param('src',$parstack,$safeeval,undef,1); + if ($src) { $toconvert{'src'}= $src; } + my $name=&Apache::lonxml::get_param('name',$parstack,$safeeval, + undef,1); + if ($name=~/^cabbase$/i) { + $toconvert{'value'}=&Apache::lonxml::get_param('value',$parstack, + $safeeval,undef,1); + } + $currentstring = &Apache::lonenc::encrypt_ref($token,\%toconvert); } elsif ($target eq 'tex') { } return $currentstring; @@ -3757,18 +3792,26 @@ sub image_size { my $width = &Apache::lonxml::get_param('width',$parstack,$safeeval, undef,1); if ($TeXwidth ne '') { + my $old_width_param=$width_param; if ($TeXwidth=~/(\d+)\s*\%/) { $width_param = $1*$ENV{'form.textwidth'}/100; } else { $width_param = $TeXwidth; } + $height_param=$TeXwidth/$old_width_param*$height_param; } elsif ($TeXheight ne '') { $height_param = $TeXheight; $width_param = $TeXheight/$height_param*$width_param; } elsif ($width ne '') { + my $old_width_param=$width_param; $width_param = $width*$scaling; + $height_param=$width_param/$old_width_param*$height_param; + } + if ($width_param > $ENV{'form.textwidth'}) { + my $old_width_param=$width_param; + $width_param =0.95*$ENV{'form.textwidth'}; + $height_param=$width_param/$old_width_param*$height_param; } - if ($width_param > $ENV{'form.textwidth'}) {$width_param =0.95*$ENV{'form.textwidth'}} return ($height_param, $width_param); }